• Mission Systems Engineer

    SAIC (Chantilly, VA)
    …organizing, analyzing data) and/or mission/ops/ground support experience + Active TS / SCI clearance with Polygraph + Effective communication, coordination, ... **Description** SAIC is seeking a **Mission Systems Engineer ** with NRO experience to provide Modeling and...of the following desired: C++, Python, R, SQL, PostgreSQL, Linux , MATLAB, VBA, or STK + Ability to work… more
    SAIC (01/01/26)
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  • Data Engineer

    ManTech (Chantilly, VA)
    …+ Experience publishing results in BI dashboards. **Clearance Requirements:** + An active TS / SCI with Polygraph **Physical Requirements:** + Use hands to operate ... **MANTECH** seeks a motivated, career and customer-oriented **Data Engineer ** to join our team in **Chantilly, VA.** The **Data Engineer ** will leverage their… more
    ManTech (12/27/25)
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  • Sr. Network Development Engineer , ADC…

    Amazon (Herndon, VA)
    …requires that the candidate selected be a US citizen and obtain and maintain an active TS / SCI with a polygraph. About the team Amazon Web Services (AWS) is the ... Services Networking is searching for hands-on Senior Network Development Engineer to join our network team that owns critical...protocols experience - 5+ years of working in a Linux /Unix environment experience - 3+ years of automation scripting… more
    Amazon (12/26/25)
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  • Digital Signal Processing Engineer

    CACI International (Sterling, VA)
    …on collaborative, team-based technical projects. + Ability to obtain and maintain a TS / SCI clearance. _Desired_ + Master's degree (or progress toward one) in ... Digital Signal Processing Engineer Job Category: Engineering Time Type: Full time...through academic, internship, or project work. + Familiarity with Linux -based software development environments. + Demonstrated ability to work… more
    CACI International (12/24/25)
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  • Senior Principal Azure Cloud Engineer

    ManTech (Chantilly, VA)
    …or Azure Solutions Architect Expert **Clearance Requirements:** + Must have a current/active TS / SCI with Polygraph **Physical Requirements:** + Must be able to ... **MANTECH** seeks a motivated and experienced **Senior Principal Azure Cloud Engineer ** to join our team in **Chantilly, VA.** In this role, you will support… more
    ManTech (12/16/25)
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  • Principal Cyber Security Engineer

    ManTech (Chantilly, VA)
    …as Nmap, Nessus, and tcpdump **Clearance Requirements:** + Must have a current/active TS / SCI with CI Polygraph **Physical Requirements:** + The person in this ... **MANTECH** seeks a motivated, career and customer-oriented **Principal Cyber Security Engineer ** to join our team in **Chantilly, VA.** This role supports the… more
    ManTech (12/13/25)
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  • Senior Cyber Security Engineer

    ManTech (Chantilly, VA)
    …as Nmap, Nessus, and tcpdump. **Clearance Requirements:** + Must have a current/active TS / SCI with CI Polygraph. **Physical Requirements:** + The person in this ... **MANTECH** seeks a motivated, career and customer-oriented **Senior Cyber Security Engineer ** to join our team in **Chantilly, VA.** This role supports a… more
    ManTech (12/13/25)
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  • Senior Principal Cyber Security Engineer

    ManTech (Chantilly, VA)
    …as Nmap, Nessus, and tcpdump **Clearance Requirements:** + Must have a current/active TS / SCI with CI Polygraph **Physical Requirements:** + The person in this ... **MANTECH** seeks a motivated, career and customer-oriented **Senior Principal Cyber Security Engineer ** to join our team in **Chantilly, VA.** This role supports… more
    ManTech (12/13/25)
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  • Senior Software Engineer

    Chenega Corporation (Arlington, VA)
    …certification (eg, CISSP, CAP, Security+, CISM) within 30 days of hire. + Active TS / SCI clearance with the ability to obtain CI Polygraph **Knowledge, Skills, ... **Req ID:** 38632 **Summary** **Senior Software Engineer ** **Arlington, VA** Are you ready to enhance...+ Experience working with multiple operating systems, including Windows, Linux , and macOS. + In-depth understanding of networking requirements,… more
    Chenega Corporation (12/13/25)
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  • DevOps Engineer SME

    Leidos (Chantilly, VA)
    …be on-call 1 full calendar week every 2 months. Required Qualifications: * Active TS / SCI with Polygraph * Master's degree and 15 years' experience. Additional ... **Description** Leidos is looking for a DevOps Engineer on a 200+ FTE technical development program...experience in lieu of degree * Expert in Linux operating system usage * Expert in using DevOps… more
    Leidos (12/10/25)
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